NPPES file of Aug 9, 2026

Ondrea K. Timmermann

Neurology Physician · Aurora, CO

Ondrea K. Timmermann is a neurology physician with a practice address in Aurora, Colorado, and NPI 1285196220, issued on Apr 1, 2019. Check the license (Colorado DR.0070502, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285196220
Name
Ondrea K. Timmermann
Primary taxonomy
Neurology Physician 2084N0400X
License number
DR.0070502 CO
Self-reported in NPPES; status is on the state search
Practice location
1635 Aurora CT, Aurora, CO 80045
Phone
(720) 848-0000
Enumerated
Apr 1, 2019
Record last updated
Jan 9, 2025
Medicare enrollment
Enrolled (PECOS I20251128000559); accepts Medicare assignment
Medical or professional school
West Virginia School Of Osteopathic Medicine, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1635 Aurora CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Meghan Abrams, NP-CAdult Health Nurse Practitioner1124369582
  2. Emmeline Academia, PHARMDPharmacist1477113991
  3. Elizabeth Ackley, M.D.Neurology Physician1225569791
  4. Yuri Agrawal, M.D.Otology & Neurotology Physician1588710446
  5. Michael Aidi, MDDiagnostic Radiology Physician1386024354
  6. Oluwabukola Akingbola, DOMaternal & Fetal Medicine Physician1316529282

Verify Ondrea K. Timmermann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0070502
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

79% fewer Medicare Part D claims than the average neurology physician in 2024

285 Medicare Part D claims for 115 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Ondrea Timmermann285
  2. Specialty average1,370

Most prescribed

  1. Carbidopa-Levodopa100 claims
  2. Propranolol Hcl18 claims
  3. Carbidopa-Levodopa Er15 claims
  4. Gabapentin15 claims
  5. Rytary15 claims
  6. Skyclarys15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $5,083.64

3 payments; by number, the most common kind was education; the largest payer was Medtronic, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ondrea Timmermann$5,083.64
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Meritus Medical Center IncHagerstown, MD
  2. West Virginia University Medical CorporationMorgantown, WV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ondrea K. Timmermann among 396 neurology physician records in Colorado

Ondrea K. Timmermann is one of 396 neurology physician records with a practice address in Colorado. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 11% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2019 · median 2010 among the 275 with a school on file
  • Record last updated2025 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Colorado

There are 396 neurology physician records in Colorado.

The 8 neurology physician records with the nearest ZIP codes

  1. Clark Anderson, MDAurora, CO 800451508816653
  2. John Corboy, MDAurora, CO 800451922045228
  3. Denise Damek, MDAurora, CO 800451699884072
  4. Nicole Gonzales, MDAurora, CO 800451467481093
  5. William Jones, MDAurora, CO 800451063436178
  6. Maureen Leehey, MDAurora, CO 800451336258714
  7. Hans Neville, MDAurora, CO 800451174632558
  8. Victoria Pelak, M.D.Aurora, CO 800451811945603

Common questions

What is Ondrea K. Timmermann's NPI number?

Ondrea K. Timmermann's National Provider Identifier (NPI) is 1285196220, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ondrea K. Timmermann located?

The NPPES record lists a practice address at 1635 Aurora CT, Aurora, CO, 80045. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.

How can I verify Ondrea K. Timmermann's license?

NPPES lists Colorado license number DR.0070502, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ondrea K. Timmermann prescribe under Medicare Part D?

In 2024, Ondrea K. Timmermann had 285 Medicare Part D claims for 115 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.